<script lang="ts" setup>
import { ref } from 'vue'
import { ElMessage } from 'element-plus'
import { Plus } from '@element-plus/icons-vue'
import type { UploadProps } from 'element-plus'
const imageUrl = ref('')

const handleAvatarSuccess: UploadProps['onSuccess'] = (
  response,
  uploadFile
) => {
  console.log("response", response);
  console.log("uploadFile", uploadFile);
  imageUrl.value = URL.createObjectURL(uploadFile.raw!)
}

const beforeAvatarUpload: UploadProps['beforeUpload'] = (rawFile) => {
  console.log("rawFile", rawFile);

  if (rawFile.type !== 'image/jpeg') {
    ElMessage.error('Avatar picture must be JPG format!')
    return false
  } else if (rawFile.size / 1024 / 1024 > 2) {
    ElMessage.error('Avatar picture size can not exceed 2MB!')
    return false
  }
  return true
}


</script>

<template>
  <el-upload class="avatar-uploader" action="https://run.mocky.io/v3/9d059bf9-4660-45f2-925d-ce80ad6c4d15"
    :show-file-list="false" :on-success="handleAvatarSuccess" :before-upload="beforeAvatarUpload">
    <img v-if="imageUrl" :src="imageUrl" class="avatar" />
    <el-icon v-else class="avatar-uploader-icon">
      <Plus />
    </el-icon>
  </el-upload>
</template>



<style scoped lang="scss">
.avatar-uploader .avatar {
  width: 178px;
  height: 178px;
  display: block;
}

.avatar-uploader {
  ::v-deep .el-upload {
    border: 1px dashed var(--el-border-color);
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--el-transition-duration-fast);

    &:hover {
      border-color: var(--el-color-primary);
    }
  }

  .el-icon.avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 178px;
    height: 178px;
    text-align: center;
  }
}
</style>